This October, Tennessee Valley Authority will close its outdated Widows Creek coal plant in Stevenson, Ala., which had been providing energy to the region since the 1960s. Photo: TVA Web Team via Wikimedia Commons

A Boston developer is proposing to build an eight-story residential building along the existing wall of a former 19th-Century church, which has been vacant for five years. Rendering courtesy Finegold Alexander Architects

Architects help Nashville government transform a struggling mall into a new community space.

People would be able to enter the restaurant from Fifth + Columbia, a $400 million, 43-story tower that Daniels started building in June 2014 and is scheduled to complete in 2017. Rendering: ZGF Architects

The Illinois Institute of Technology's Main Building is among the city buildings at the highest risk of being lost to demolition or decay, according to the group Preservation Chicago. All photos provided by Ward Miller of Preservation Chicago